18108680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4231}}^1$

素因数の和:4349

約数の個数: 32

約数和(自身を含む): 41135040

約数和(自身を除く): 23026360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4231, 4280, 8462, 16924, 21155, 33848, 42310, 84620, 169240, 452717, 905434, 1810868, 2263585, 3621736, 4527170, 9054340, 18108680]

約数ペア:

[(1, 18108680), (2, 9054340), (4, 4527170), (5, 3621736), (8, 2263585), (10, 1810868), (20, 905434), (40, 452717), (107, 169240), (214, 84620), (428, 42310), (535, 33848), (856, 21155), (1070, 16924), (2140, 8462), (4231, 4280)]